21325248

素因数分解:

$2^6\times 3^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1$

素因数の和:112

約数の個数: 224

約数和(自身を含む): 75102720

約数和(自身を除く): 53777472

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 41, 42, 43, 48, 54, 56, 63, 64, 72, 82, 84, 86, 96, 108, 112, 123, 126, 129, 144, 164, 168, 172, 189, 192, 216, 224, 246, 252, 258, 287, 288, 301, 328, 336, 344, 369, 378, 387, 432, 448, 492, 504, 516, 574, 576, 602, 656, 672, 688, 738, 756, 774, 861, 864, 903, 984, 1008, 1032, 1107, 1148, 1161, 1204, 1312, 1344, 1376, 1476, 1512, 1548, 1722, 1728, 1763, 1806, 1968, 2016, 2064, 2214, 2296, 2322, 2408, 2583, 2624, 2709, 2752, 2952, 3024, 3096, 3444, 3526, 3612, 3936, 4032, 4128, 4428, 4592, 4644, 4816, 5166, 5289, 5418, 5904, 6048, 6192, 6888, 7052, 7224, 7749, 7872, 8127, 8256, 8856, 9184, 9288, 9632, 10332, 10578, 10836, 11808, 12096, 12341, 12384, 13776, 14104, 14448, 15498, 15867, 16254, 17712, 18368, 18576, 19264, 20664, 21156, 21672, 23616, 24682, 24768, 27552, 28208, 28896, 30996, 31734, 32508, 35424, 37023, 37152, 41328, 42312, 43344, 47601, 49364, 55104, 56416, 57792, 61992, 63468, 65016, 70848, 74046, 74304, 82656, 84624, 86688, 95202, 98728, 111069, 112832, 123984, 126936, 130032, 148092, 165312, 169248, 173376, 190404, 197456, 222138, 247968, 253872, 260064, 296184, 333207, 338496, 380808, 394912, 444276, 495936, 507744, 520128, 592368, 666414, 761616, 789824, 888552, 1015488, 1184736, 1332828, 1523232, 1777104, 2369472, 2665656, 3046464, 3554208, 5331312, 7108416, 10662624, 21325248]

約数ペア:

[(1, 21325248), (2, 10662624), (3, 7108416), (4, 5331312), (6, 3554208), (7, 3046464), (8, 2665656), (9, 2369472), (12, 1777104), (14, 1523232), (16, 1332828), (18, 1184736), (21, 1015488), (24, 888552), (27, 789824), (28, 761616), (32, 666414), (36, 592368), (41, 520128), (42, 507744), (43, 495936), (48, 444276), (54, 394912), (56, 380808), (63, 338496), (64, 333207), (72, 296184), (82, 260064), (84, 253872), (86, 247968), (96, 222138), (108, 197456), (112, 190404), (123, 173376), (126, 169248), (129, 165312), (144, 148092), (164, 130032), (168, 126936), (172, 123984), (189, 112832), (192, 111069), (216, 98728), (224, 95202), (246, 86688), (252, 84624), (258, 82656), (287, 74304), (288, 74046), (301, 70848), (328, 65016), (336, 63468), (344, 61992), (369, 57792), (378, 56416), (387, 55104), (432, 49364), (448, 47601), (492, 43344), (504, 42312), (516, 41328), (574, 37152), (576, 37023), (602, 35424), (656, 32508), (672, 31734), (688, 30996), (738, 28896), (756, 28208), (774, 27552), (861, 24768), (864, 24682), (903, 23616), (984, 21672), (1008, 21156), (1032, 20664), (1107, 19264), (1148, 18576), (1161, 18368), (1204, 17712), (1312, 16254), (1344, 15867), (1376, 15498), (1476, 14448), (1512, 14104), (1548, 13776), (1722, 12384), (1728, 12341), (1763, 12096), (1806, 11808), (1968, 10836), (2016, 10578), (2064, 10332), (2214, 9632), (2296, 9288), (2322, 9184), (2408, 8856), (2583, 8256), (2624, 8127), (2709, 7872), (2752, 7749), (2952, 7224), (3024, 7052), (3096, 6888), (3444, 6192), (3526, 6048), (3612, 5904), (3936, 5418), (4032, 5289), (4128, 5166), (4428, 4816), (4592, 4644)]